Privacy Statement

The LZH takes the protection of your personal data very seriously. When we process the personal data that is collected during your visits to our website, we always observe the rules laid down in the applicable data protection laws. Your data will not be disclosed publicly by us, nor transferred to any third parties without your consent.

In the following sections, we explain what types of data we record when you visit our website, and precisely how they are used:


1. Recording and processing of data in connection with access over the Internet

When you visit our website, our webserver, hosted by the 1&1 Internet AG in Germany, makes a temporary record of each access and stores it in a log file. The following data are recorded, and stored until an automatic deletion date:

  • IP address of the requesting processor
  • Date and time of access
  • Name and URL of the downloaded file
  • Volume of data transmitted
  • Indication whether download was successful
  • Data identifying the browser software and operating system
  • Web site from which our site was accessed
  • Name of your Internet service provider

The purpose of recording these data is to allow use of the website (connection setup), for system security, for technical administration of the network infrastructure and in order to optimize our internet service. The IP address is only evaluated in the event of fraudulent access to the network infrastructure.

We do not compile personal profiles of users. The German Teleservices Data Protection Act (TDDSG § 5 Abs. 3) states that user profiles are permissible under the condition that pseudonyms are used, and on condition that the user does not withhold consent. If we intend to make use of this option anywhere on our website, a notice informing you of your right to withdraw consent will be posted on the corresponding page.

Apart from the special cases cited above, we do not process personal data without first obtaining your explicit consent to do so.

1.1 Use of Maopmo for statistic analyses

In addition to the automatic data recording by the 1&1 Internet AG (see section 1), uses Matomo for statistic analyses of website visits. Matomo uses so-called “Cookies”, these are text files stored on your  computer in order to analyze your visit to the website. The information collected by the Cookie about your visit to this internet service is stored on our webserver hosted by the 1&1 Internet AG in Germany. Your IP address will be anonymized immediately after the processing and before storing it. You can block Cookies by configuring your browser settings; however, if you do so, you may not be able to fully use all features of this website.

Instructions how to block Cookies in your browser settings can be found below.

The template for these instructions is provided by the law office Schwenke. On their website you will find additional information (in German) about using Matomo in compliance with data protection. The LZH uses Matomo in accordance with data protection regulations. 

1.2 LZH Cookie guidelines

These guidelines explain how uses Cookies. By using our website, you agree with these guidelines. Please avoid visiting this site or block Cookies in your browser settings, if you do not agree with Cookies being stored or accessed on your computer or mobile device.

We retain the right to change these guidelines at any time. Please note the date of the last update at the bottom of this page. The changes become effective as soon as they are published on this website.

1.2.1 What is a Cookie?

A Cookie is a text file being stored on your computer’s hard drive by our website when you visit our website for the first time.

1.2.2 How we use Cookies

We use Cookies to record your use of our internet services in an anonymized way, and to further develop our internet services. For this purpose, we use the software “Matomo’” in a configuration that complies with data protection regulations. For example, we do not record the URL of the site from which you arrive. Moreover, we anonymize the two last octets of your IP address.

We record the following data about your visit to our website in an anonymized way:

  • IP address of the requesting processor
  • Date and time
  • Pages visited
  • Time spent on the pages viewed
  • Volume of data transmitted
  • Indication whether download was successful
  • Country of origin
  • Type of hardware used
  • Browser software and operating system

In accordance with the recommendations of the Independent Federal State Center for Data Protection in Schleswig-Holstein (Unabhängiges Landeszentrum für Datenschutz Schleswig-Holstein) concering the data protection compliant use of web analytics software, the Cookie lifetime is limited to 7 days.

1.2.3 How to block Cookies from our website

If you do not agree with information about your visit to our website being recorded by Cookies, the settings of most browsers can easily be configured to automatically block all Cookies, or to accept or block Cookies from particular websites.

Below you will find links to instructions how to block Cookies in the three most popular browsers:

Internet Explorer:
Google Chrome:

If you are using another browser software, you will find instructions on the provider’s website or in the help menu of your browser. Please note that possibly not all features of our website might work properly when Cookies are blocked.


2. Use and transfer of personal data

All use of your personal data is confined to the purposes stated above, and is only undertaken to the extent necessary for these purposes.

Personal data will not be transferred to government bodies or public authorities except in order to comply with mandatory national legislation or if the transfer of such data should be necessary in order to take legal action in cases of fraudulent access to the network infrastructure. Personal data will not be transferred to third parties for any other purpose.

3. Consent to use data in other contexts

The use of certain services on our website, such as the newsletter, requires prior registration and involves more substantial processing of personal data, such as longer-term storage of e-mail addresses, user IDs and passwords. We only use such data insofar as they have been sent to us by you in person and you have given us your prior consent for this use.

3.1 Newsletter

To register for the newsletter service of LZH, we need at least your e-mail address so that we know where to send the newsletter. All other information you supply is on a voluntary basis, and will be used in order to contact you directly or clear up questions concerning your e-mail address.

As a general rule, we employ the double opt-in method when sending out newsletters. In other words, after you have registered for the service and informed us of your e-mail address, you will receive an e-mail in return from us, containing a link that you must use to confirm your registration. The newsletter will not be sent until this has been done. This procedure is used to ensure that only you yourself can register with the newsletter service under the specified e-mail address. You must confirm your registration as soon as possible after receiving our e-mail, otherwise your registration and e-mail address will be erased from our database. Until we receive your confirmation, our newsletter service will refuse to accept any other registration requests using this e-mail address.

You can cancel subscriptions to our newsletters at any time. To do so, either send us an e-mail or follow the link at the end of the newsletter.

3.2. Event registrations

When you register for an event at our website, we only collect personal data that are necessary for the organization of the event.

Naturally, we treat these data confidentially and will only make them accessible to LZH employees. After the event, we will delete the data from our website database and archive them internally in a separate, access-controlled file.

In case of a cancellation prior to the event, your data will be deleted immediately from our database and will not be archived.

4. Security

The  LZH implements technical and organizational security measures to safeguard stored personal data against inadvertent or deliberate manipulation, loss or destruction and against access by unauthorized persons. The security measures are continuously improved in line with technological progress.

5. Cookies

We use Cookies solely for statistic analyses with the software Matomo (see item 1.1).


6. Links to web sites operated by other providers

Our web pages may contain links to other providers’ web pages. We would like to point out that this statement of data protection conditions applies exclusively to the web pages managed by the LZH. We have no way of influencing the practices of other providers with respect to data protection, nor do we carry out any checks to ensure that they conform with the relevant legislation.

7. Right to information and contact data

You have a legal right to inspect any stored data concerning your person, and also the right to demand their correction or deletion, and to withdraw your consent for their further use.

In some cases, if you are a registered user of certain services provided by the LZH, we offer you the possibility of inspecting these data online, and even of deleting or modifying the data yourself.

If you wish to obtain information on your personal data, or want us to correct or erase such data, or if you have any other questions concerning the use of personal data held by us, please contact:

Dipl.-Fachübers. Silke Kramprich
Laser Zentrum Hannover e.V. (LZH)
Hollerithallee 8
30419 Hannover, Germany
Phone: +49 511 2788-152
Fax: +49 511 2788-100

If you communicate with us by e-mail, please take note that the content of unencrypted e-mails can be intercepted and openly read by unintended parties. For this reason, we recommend that confidential information should be transmitted in encrypted form or sent by post in the traditional way.

8. Acceptance, validity and modification of data protection conditions

By using our website, you implicitly agree to accept the use of your personal data as specified above. This present statement of data protection conditions came into effect on 21 January 2016.

As our website evolves, and new technologies come into use, it may become necessary to amend the statement of data protection conditions. The LZH reserves the right to modify its data protection conditions at any time, with effect as of a future date. We recommend that you re-read the latest version from time to time.